Q: What is the sum of all factors of the number 21,405,105 excluding 21,405,105?
A: 15,697,155
The factors of the number 21,405,105 are: 1, 3, 5, 9, 15, 45, 475669, 1427007, 2378345, 4281021, 7135035, 21405105.
If you add them up, you will get the total of 21,405,120. Now subtract 21,405,105 to get 15,697,155